111 lines
2.5 KiB
C
111 lines
2.5 KiB
C
/*
|
||
* Copyright (c) 2006-2021, RT-Thread Development Team
|
||
*
|
||
* SPDX-License-Identifier: Apache-2.0
|
||
*
|
||
* Change Logs:
|
||
*
|
||
*/
|
||
|
||
/*
|
||
* 程序清单：挂起线程
|
||
*
|
||
* 这个例子中将创建两个动态线程，高优先级线程将在一定时刻后挂起低优先级线程。
|
||
*/
|
||
#include <rtthread.h>
|
||
#include "tc_comm.h"
|
||
|
||
/* 指向线程控制块的指针 */
|
||
static rt_thread_t tid1 = RT_NULL;
|
||
static rt_thread_t tid2 = RT_NULL;
|
||
/* 线程1入口 */
|
||
static void thread1_entry(void* parameter)
|
||
{
|
||
rt_uint32_t count = 0;
|
||
|
||
while (1)
|
||
{
|
||
/* 线程1采用低优先级运行，一直打印计数值 */
|
||
rt_kprintf("thread count: %d\n", count ++);
|
||
}
|
||
}
|
||
|
||
/* 线程2入口 */
|
||
static void thread2_entry(void* parameter)
|
||
{
|
||
/* 延时10个OS Tick */
|
||
rt_thread_delay(10);
|
||
|
||
/* 挂起线程1 */
|
||
rt_thread_suspend(tid1);
|
||
|
||
/* 延时10个OS Tick */
|
||
rt_thread_delay(10);
|
||
|
||
/* 线程2自动退出 */
|
||
tid2 = RT_NULL;
|
||
}
|
||
|
||
int thread_suspend_init()
|
||
{
|
||
/* 创建线程1 */
|
||
tid1 = rt_thread_create("thread",
|
||
thread1_entry, RT_NULL, /* 线程入口是thread1_entry, 入口参数是RT_NULL */
|
||
THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
|
||
if (tid1 != RT_NULL)
|
||
rt_thread_startup(tid1);
|
||
else
|
||
tc_stat(TC_STAT_END | TC_STAT_FAILED);
|
||
|
||
/* 创建线程2 */
|
||
tid2 = rt_thread_create("thread",
|
||
thread2_entry, RT_NULL, /* 线程入口是thread2_entry, 入口参数是RT_NULL */
|
||
THREAD_STACK_SIZE, THREAD_PRIORITY - 1, THREAD_TIMESLICE);
|
||
if (tid2 != RT_NULL)
|
||
rt_thread_startup(tid2);
|
||
else
|
||
tc_stat(TC_STAT_END | TC_STAT_FAILED);
|
||
|
||
return 0;
|
||
}
|
||
|
||
#ifdef RT_USING_TC
|
||
static void _tc_cleanup()
|
||
{
|
||
/* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
|
||
rt_enter_critical();
|
||
|
||
/* 删除线程 */
|
||
if (tid1 != RT_NULL && tid1->stat != RT_THREAD_CLOSE)
|
||
rt_thread_delete(tid1);
|
||
if (tid2 != RT_NULL && tid2->stat != RT_THREAD_CLOSE)
|
||
rt_thread_delete(tid2);
|
||
|
||
/* 调度器解锁 */
|
||
rt_exit_critical();
|
||
|
||
/* 设置TestCase状态 */
|
||
tc_done(TC_STAT_PASSED);
|
||
}
|
||
|
||
int _tc_thread_suspend()
|
||
{
|
||
/* 设置TestCase清理回调函数 */
|
||
tc_cleanup(_tc_cleanup);
|
||
thread_suspend_init();
|
||
|
||
/* 返回TestCase运行的最长时间 */
|
||
return 100;
|
||
}
|
||
/* 输出函数命令到finsh shell中 */
|
||
FINSH_FUNCTION_EXPORT(_tc_thread_suspend, a thread suspend example);
|
||
#else
|
||
/* 用户应用入口 */
|
||
int rt_application_init()
|
||
{
|
||
thread_suspend_init();
|
||
|
||
return 0;
|
||
}
|
||
#endif
|